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[IMPALA-5004] Switch to sorting node for large TopN queries - Impala - [issue]
...As explained by Tim Armstrong in IMPALA-4995:We should also consider switching to the sort operator for large limits. This allows it to spill. The memory requirements for TopN also are probl...
http://issues.apache.org/jira/browse/IMPALA-5004    Author: Lars Volker , 2018-10-17, 20:29
Gerrit Maintenance tonight at 8pm Pacific - Impala - [mail # dev]
...Hi All,Cloudera runs the Gerrit instance at gerrit.cloudera.org, which we for ourcode reviews. Tonight (10/17) at 8pm Pacific time (10/18 3am UTC), their ITteam will be upgrading Gerrit from...
   Author: Lars Volker , 2018-10-17, 17:13
[IMPALA-7117] Lower debug level for HDFS S3 connector back to INFO - Impala - [issue]
...This change will increase the log level for the HDFS S3 connector to DEBUG to help with IMPALA-6910 and IMPALA-7070. Before the next release we need to lower it again.https://gerrit.cloudera...
http://issues.apache.org/jira/browse/IMPALA-7117    Author: Lars Volker , 2018-10-16, 20:48
[IMPALA-6834] Enforce consistent, pseudo-random replica order during local, non-random scheduling - Impala - [issue]
...When scheduling local, non-cached reads, the scheduler breaks ties between otherwise equivalent replicas by picking the first one in the list of candidates as reported by the frontend (sched...
http://issues.apache.org/jira/browse/IMPALA-6834    Author: Lars Volker , 2018-10-16, 18:18
[IMPALA-7651] Add Kudu support to scheduler-related query hints and options - Impala - [issue]
...Scheduling for Kudu works the same way for HDFS and Kudu, however our docs pages don't mention the latter: https://impala.apache.org/docs/build/html/topics/impala_schedule_random_replica.htm...
http://issues.apache.org/jira/browse/IMPALA-7651    Author: Lars Volker , 2018-10-12, 17:50
[IMPALA-5050] Add support to read TIMESTAMP_MILLIS and TIMESTAMP_MICROS to the parquet scanner - Impala - [issue]
...This requires updating parquet.thrift to a version that includes the TIMESTAMP_MICROS logical type....
http://issues.apache.org/jira/browse/IMPALA-5050    Author: Lars Volker , 2018-10-11, 19:10
[IMPALA-7694] Add system resource utilization (CPU, disk, network) timelines to profiles - Impala - [issue]
...We often struggle to determine why a query was slow, in particular if it was caused by other tasks on the same machine using resources. To help with this we should include timelines for syst...
http://issues.apache.org/jira/browse/IMPALA-7694    Author: Lars Volker , 2018-10-11, 08:36
Restart jenkins.impala.io - Impala - [mail # dev]
...Thank you for taking care of this, Pooja!On Wed, Oct 10, 2018 at 12:24 PM Pooja Nilangekar <[EMAIL PROTECTED]> wrote:> Done.>> Thanks,> Pooja>>> On Wed, Oct 10, 20...
   Author: Lars Volker , 2018-10-10, 22:25
[IMPALA-7666] Profiles should contain the xDBC driver version - Impala - [issue]
...Profiles should contain the version of the xDBC driver that clients use to connect....
http://issues.apache.org/jira/browse/IMPALA-7666    Author: Lars Volker , 2018-10-05, 20:22
[IMPALA-7638] Lower default timeout for connection setup - Impala - [issue]
...IMPALA-5394 added the sasl_connect_tcp_timeout_ms flag with a default timeout of 5 minutes. This seems too long as broken clients will prevent new clients from establishing connections for t...
http://issues.apache.org/jira/browse/IMPALA-7638    Author: Lars Volker , 2018-10-05, 15:38